... System Zhiyou Marine& Offshore CO., LTD. (Shanghai) is a rich experience company in shipbuilding&repairing and steel-structure making, specialized in designing, manufacturing, sales,installation and mainten...

... and black blackened 2. Features and Advantages: 1. High strength alloy steel 2. Proof tested at 2.5 times of the working load limit 3. Ultimate load at 4 times of the working load limit 4. Painted, plastic ...